(military, US) Initialism of Washington Headquarters Services. / Initialism of WHSmith (“British retailer of books, magazines, stationery, etc.”).

Initialism of World Heritage Site. / Initialism of workplace health and safety. / Initialism of wobbly hedgehog syndrome.

Any English word that is interrogative, typically beginning with the letters "wh"; a question word. / (by extension) Any interrogative word from any language.

plural of wh-word

(syntax) a syntactic phenomenon found in many languages around the world, in which interrogative words (sometimes called wh-words) or phrases show a special word order. Unlike ordinary phrases, such wh-words appear at the beginning of an interrogative clause.

plural of wh-movement

(chiefly linguistics) A question that is introduced by a wh-word (what, where, why, etc.) and cannot be answered by yes or no.

plural of wh-question

plural of WH-question

Alternative letter-case form of wh-question